Demonstration Spherometer Subcategory_Weights and Masses the wider bore accepting full-size

the wider bore accepting full-size bar magnets while AC current drives the alternating field that rotates domains for demagnetization

6 armatures

and steel cubes machined to the same 1

the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work

the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos

Demonstration Spherometer Subcategory_Weights and Masses the wider bore accepting full-sizeDemonstration spherometer with an oversized 133 mm dial head and baked enamel finish, letting an entire classroom read spherometer values before students work with benchtop units.